Zoom Technologies Inc. (ZTNO)

Last Closing Price: --

Historical Volatility (Close-to-Close) (60-Day)

Historical Volatility (Close-to-Close): The past volatility of the security over the selected time frame, calculated using the closing price on each trading day.

Zoom Technologies Inc. (ZTNO) had 60-Day Historical Volatility (Close-to-Close) of 4.7088 for 2014-10-08.